255297225 has 48 divisors (see below), whose sum is σ = 436632768. Its totient is φ = 131523840.

The previous prime is 255297223. The next prime is 255297241. The reversal of 255297225 is 522792552.

It is not a de Polignac number, because 255297225 - 2¹ = 255297223 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (255297221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 546442 + ... + 546908.

It is an arithmetic number, because the mean of its divisors is an integer number (9096516).

Almost surely, 2^255297225 is an apocalyptic number.

255297225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255297225 is a deficient number, since it is larger than the sum of its proper divisors (181335543).

255297225 is a wasteful number, since it uses less digits than its factorization.

255297225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 709 counting only the distinct ones).

The product of its digits is 126000, while the sum is 39.

The square root of 255297225 is about 15978.0231881169. The cubic root of 255297225 is about 634.3788540295.

The spelling of 255297225 in words is "two hundred fifty-five million, two hundred ninety-seven thousand, two hundred twenty-five".